#hardware platform: FireBeetle-ESP8266from machine import Pin,Timerled=Pin(2,Pin.OUT)              #create LED objecttim = Timer(1)                  #create tim objectdef blink(t):  led.value(not led.value())    #the value of led is opposite of the previoustim.init(period=1000,mode=Timer.PERIODIC, callback=blink)   #tim init,callback blink() per second#Catch exceptions,stop program if interrupted accidentally in the 'try'try:  while True:    passexcept:  tim.deinit()